Comprehensive Maintenance contract for RMPUs fitted in SG AC coaches of primary maintenance depot under GHY for a period of 02 year.

A- Trip, Monthly, IOH & POH schedules for conventional type RMPU

Trip Schedule number of Coach months for out of warranty coaches for 02 years. ( all consumables spares and associated jobs like brazing, leak testing along with all type of supply of refrigerant gas and vacuum pump required will be supplied by firm) (one number = 1 coach/month)

Monthly schedule number of coach months for out of warranty coaches for 02 years. (all consumables spares and associated jobs like brazing, leak testing along with all type of supply of refrigerant gas and vacuum pump required will be supplied by firm) (one number = 1 coach/month)

IOH Schedule number of coach months for out of warranty coaches for 02 years. (all 3 consumables spares and associated jobs like brazing, leak testing along with all type of supply of refrigerant gas and vacuum pump required will be supplied by firm) (one number = 1 coach with conventional 2 RMPU )

POH schedule per AC coach (for Two Conventional type RMPU) at Dibrugarh/ New Bongaigaon workshop for 02 years. (including all accessories, topping up of gas, consumables as applicable.)

B-Replacement of equipments for RMPU of conventional type SG AC

Supply, fitting, fixing and Replacement of defective scroll compressor Model ZR 61 KC TFD 522 or ZR 61 KCE TFD 522 suitable for R-22 or for R-407 C or as RDSO latest specification, duly 1 removing the defective one, including all accessories job like N2 flushing, leak test, charging of refrigerant, moisture removal, brazing, pressure test including commissioning (All necessary items to be supplied by firm) (compressor supplied by Firm)

Fitting, fixing and commissioning of New Scroll Compressors model No ZR 61 KC TFD 2 522 or ZR 61 KCE TFD 522 suitable for R-22 or for R-407 C or as per RDSO latest specification duly removing the defective one, including all accessories like nitrogen flushing, moisture removal, leak testing, pressure test, Refrigerant charging, new strainer, capillary (2,4,5,6 or 8 way), dryer, copper pipes, mounting arrangement etc. (Compressor supplied by railways)

C-Replacement of conditional out of warranty equipments for RMPU of

Supply and replacement of evaporator unit with new one (including provision of accessories, erection, testing and commissioning, as per field requirement)

Supply and replacement of blower motor with new one. (including provision of accessories)

Supply and replacement of condenser motor with new one. (including provision of accessories)

Supply and fitment of new electronic thermostat.

Removal and replacement of new OHP cut out.

Removal of defective heater bank stainless steel with fins & OHP & replacement with new one with proper insulated sleeve.

Supply and replacement of 400VA control Transformer.

Supply and replacement of Electronic time delay relay

Removal and replacement of PVC cable 37 core plug socket complete set between panel to roof and roof to unit.